Emerson 3051S Spezifikationen PDF herunterladen (Seite 80)

Reference Manual

00809-0100-4801, Rev FA

October 2010

Rosemount 3051S Series

4-6

Zero Trim NOTE

The transmitter must be within three percent of true zero (zero-based) in order

to calibrate with zero trim function.

Field Communicator

Calibrate the sensor with a Field Communicator using the zero trim function

as follows:

1. Vent the transmitter and attach a Field Communicator to the

measurement loop.

2. From the HOME screen, follow the fast key sequence “Zero Trim.”

3. Follow the commands provided by the Field Communicator to complete

the zero trim adjustment.

AMS

Right click on the device and select “Calibrate,” then “Zero trim” from the

1. Click Next after setting the control loop to manual.

2. Click Next to acknowledge warning.

3. Click Next after applying appropriate pressure to sensor.

4. Select Next to acknowledge the loop can be returned to automatic

control.

5. Select Finish to acknowledge the method is complete.

Sensor Trim NOTE

Use a pressure input source that is at least four times more accurate than the

transmitter, and allow the input pressure to stabilize for ten seconds before

entering any values.

Field Communicator

To calibrate the sensor with a Field Communicator using the sensor trim

function, perform the following procedure:

1. Assemble and power the entire calibration system including a

transmitter, Field Communicator, power supply, pressure input source,

and readout device.

2. From the HOME screen, enter the fast key sequence under “Sensor

Trim.”

3. Select 2: Lower sensor trim. The lower sensor trim value should be the

sensor trim point that is closest to zero.

Fast Keys

1, 2, 3, 3, 1

Device Dashboard

Fast Keys

3, 4, 1, 3

Fast Keys

1, 2, 3, 3

Device Dashboard

Fast Keys

3, 4, 1

1 2 ... 75 76 77 78 79 80 81 82 83 84 85 ... 239 240

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